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Inserted text in green WW HEADERS_END [[[> IMG:Al-Biruni.jpeg ]]] Abu Rayhan Muhammad ibn Ahmad al-Biruni al-Khwarizmi (973-1048AD). Regarded by some as one of the greatest Islamic scholars. Devised a method of measuring the size of the Earth from a single location, rather than having to measure celestial angles from two (or more) different locations simultaneously. ---- * http://www.google.com/search?q=Al-Biruni * http://en.wikipedia.org/wiki/Al-Biruni * http://www.antiochgate.com/about_biruni.htm * http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Al-Biruni.html